X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/65622f423c2ee35250856657b06118481d53edc8..6a731b2dd982f3453db9f5b6fcf6350899da48a8:/sdk/python/arvados/arvfile.py

diff --git a/sdk/python/arvados/arvfile.py b/sdk/python/arvados/arvfile.py
index a1d87a498e..f4580f346b 100644
--- a/sdk/python/arvados/arvfile.py
+++ b/sdk/python/arvados/arvfile.py
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 from __future__ import absolute_import
 from __future__ import division
 from future import standard_library
@@ -862,6 +866,9 @@ class ArvadosFile(object):
 
     """
 
+    __slots__ = ('parent', 'name', '_writers', '_committed',
+                 '_segments', 'lock', '_current_bblock', 'fuse_entry')
+
     def __init__(self, parent, name, stream=[], segments=[]):
         """
         ArvadosFile constructor.